Using a Curves Adjustment Layer with the Blend Mode set to Screen to correct exposure in Photoshop.
In general, where images are too dark, this is referred to as underexposed. Conversely, images that are too light are overexposed. Photos taken on sunny days are prone to being overexposed.
An animated gif to illustrate a correct exposure, an underexposed shot and an overexposed one.
In an ideal situation, the aim is to try and... more